The Journal of Chemical Physics, 145 (3) Straasø, L A, Shankar, R, Tan, K O, Hellwagner, J, Meier, B H, Hansen, M R, Nielsen, N C, Vosegaard, T, Ernst, M & Nielsen, A B 2016, ' Improved transfer efficiencies in radio-frequency-driven recoupling solid-state NMR by adiabatic sweep through the dipolar recoupling condition ', The Journal of Chemical Physics, vol. 145, no. 3, 034201 . https://doi.org/10.1063/1.4958318